Overview

This HB4 LED fog light/daytime running light bulb replaces traditional HB4 halogen and xenon bulbs. It has 9 LEDs (5050 SMD). The radially mounted LEDs emit a 360° viewing angle that illuminates the DRL or fog light reflective housing to set an RV apart from its surroundings. Tower-style design with HB4 base for easy plug-and-play installation. The energy-efficient bulb operates within a wide 9-14.8V DC range and is designed to last 30,000 hours on your motorhome. Available in cool white, blue and amber. Not sold in pairs. Price per bulb.

LED fog lights are for cosmetic purposes only, and will not project light in the same way that the factory bulbs do.

For best results the LED color should be the same as the lens color. If bulb is behind a clear lens, use the appropriate color for turn and brake light functions. Please See More LED Car Bulb Notes

If your daytime running light application serves multiple purposes, this bulb will most likely not work for your vehicle.

To protect LEDs in marine applications, it is advisable to use a 12 VDC line conditioner to compensate for voltage irregularities common in marine low-voltage systems.

Warranties & Certifications

Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. If the same product is no longer available, a product of equal value may be substituted. Read More

CAN Bus LED bulbs are simple plug-and- play LED bulbs which are made specifically for CAN Bus-equipped vehicles. These bulbs work with your vehicle's advanced computer system, so when your vehicle's computer reads them, they respond back correctly.
To see if your vehicle operates with a CAN Bus system, simply remove the bulb you're looking to replace, start your vehicle, and if you have a "Bulb Out" message on your dash you have a CAN Bus system.

LED Quantity

9 LEDs

LED Type

5050 SMD

Oversize

No

Polarity Sensitive

No

Polarity Sensitive

Polarity Sensitive (YES)Bulbs have Plus and Minus (like batteries) and will only work when polarity is correct. If bulb does not work when installed, turn it around in the socket.

Polarity Sensitive (NO)Bulbs do not have Plus and Minus and will work either way installed in the socket.

For best results, the LED color should be the same as the lens color. If the bulb is behind a clear lens, use the appropriate color for turn and brake light functions.

When installed in a housing that has a matching colored lens, red and amber bulbs will appear brighter than white LED bulbs - even though they have lower lumen outputs.

As an example: a red lens will filter out all but the red portion of light from a bulb, so if the light being emitted from the bulb is all red, none or very little light will be blocked by the lens.
The light from a white LED bulb contains very little light in the red portion of the visible spectrum, so most of the light that contributes to its higher lumen value would be filtered out by a red lens.
This makes the white bulb appear dimmer than the red bulb.

Current Draw @ Operating Voltage

Current Draw @ Operating Voltage

Current Draw is used to size fuses and wire for a circuit. Current draw is the amount of energy consumed by an LED or LEDs in an electrical circuit at a specific voltage, measured in amps (A) or milliamps (mA).

Comparing Lumens Across Colors: Why Do Colored Bulbs Have Such Low Lumen Values

Lumen meters are a great way to measure white light output but can be deceptive for colored bulb intensity. Lumens measure light wavelengths in all colors of the visible spectrum. Because multiple wavelengths create white light and colored bulbs are a single-wavelength source, colored bulbs will have lower lumen readings. However, they will appear equally as bright as a white bulb.

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Reviews

Overall Rating

Total Reviews

2

Rating Breakdown

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(1 Review)

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(1 Review)

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Not for driving

I purchased the amber fog driving lights, but they are not bright enough neither the white one very dissapointed with this two types of driving lights

Staff
Response

These bulbs are designed as Daytime Running Lights and should only be used as a indicator to oncoming traffic of your vehicles presence and are not designed to be used as driving illumination.

Was this review helpful?

20

Name

Stanley

Technical Level

Average

Part Number

HB4-WHP9

Reviewed On

03/08/16

DRLs

I replaced my Fog lights with these white LEDs to match the accent lights I added to my lower grill as Daytime Running Lights. This was a personal preference. These LED's do not work very well as Fog lights. For my purpose they work great.